Meaning of SUCTION in English

SUCTION

/ ˈsʌkʃn; NAmE / noun

[ U ] the process of removing air or liquid from a space or container so that sth else can be sucked into it or so that two surfaces can stick together :

Vacuum cleaners work by suction.

a suction pump / pad

►  suc·tion verb [ vn ] ( technical )

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WORD ORIGIN

early 17th cent.: from late Latin suctio(n-) . from Latin sugere suck.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.